/*
 *   弹出窗口程序
 *   title 标题
 *   src 需要显示在窗口内的文件
 *   w 宽度
 *   h 高度
 */
function alertWin(title, src, w, h) {
    //避免select不能被遮罩
    var s = document.getElementsByTagName("select"); //--------------把所有select标签捉住
    for (var j = 0; j < s.length; j++) {
        s[j].style.display = "none";
    } //--------------设为不显示，再进行下面操作
    var titleheight = "22"; // 提示窗口标题高度
    var bordercolor = "#F9F6ED"; // 提示窗口的边框颜色
    var titlecolor = "#886A52"; // 提示窗口的标题颜色
    var titlebgcolor = "#F9F6ED"; // 提示窗口的标题背景色
    var bgcolor = "#FAF7F0"; // 提示内容的背景色
    var filterValue = 0.8;//设置遮罩层透明度
    var filterColor = "#000000";//设置遮罩层背景色
    var filterZindex = 100;//设置z-index的值
    var iWidth = document.documentElement.clientWidth;
    var iHeight = document.documentElement.clientHeight;
    var divWidth = w; //弹出div宽度
    var divHeight = h + 30;  //弹出DIV高度
    var bgObj = document.createElement("div");
    bgObj.style.cssText = "position:absolute;left:0px;top:0px;width:" + iWidth + "px;height:" + Math.max(document.body.clientHeight, iHeight) + "px;filter:Alpha(Opacity=" + (filterValue * 100) + ");opacity:" + filterValue + ";background-color:" + filterColor + ";z-index:" + filterZindex + ";";

    var msgObj = document.createElement("div");
    msgObj.style.cssText = "position:absolute;font:11px '宋体';top:" + (iHeight - h) / 2 + "px;left:" + (iWidth - w) / 2 + "px;width:" + divWidth + "px;height:" + divHeight + "px;text-align:center;background-color:transparent;padding:1px;line-height:22px;z-index:102;";

    var table = document.createElement("table");
    msgObj.appendChild(table);
    table.style.cssText = "margin:0px;border:0px;padding:0px;";
    table.cellSpacing = 0;
    var tr = table.insertRow(-1);
    var titleBar = tr.insertCell(-1);
    titleBar.style.cssText = "width:95%;height:" + titleheight + "px;text-align:left;padding:3px;margin:0px;font:bold 14px '宋体';color:" + titlecolor + ";cursor:move;"
    titleBar.style.paddingLeft = "10px";
    titleBar.innerHTML = title;
    var moveX = 0;
    var moveY = 0;
    var moveTop = 0;
    var moveLeft = 0;
    var moveable = false;
    var docMouseMoveEvent = document.onmousemove;
    var docMouseUpEvent = document.onmouseup;
    titleBar.onmousedown = function() {
        var evt = getEvent();
        moveable = true;
        moveX = evt.clientX;
        moveY = evt.clientY;
        moveTop = parseInt(msgObj.style.top);
        moveLeft = parseInt(msgObj.style.left);
        document.onmousemove = function() {
            if (moveable) {
                var evt = getEvent();
                var x = moveLeft + evt.clientX - moveX;
                var y = moveTop + evt.clientY - moveY;
                if (x > 0 && ( x + w < iWidth) && y > 0 && (y + h < iHeight)) {
                    msgObj.style.left = x + "px";
                    msgObj.style.top = y + "px";
                }
            }
        };
        document.onmouseup = function () {
            if (moveable) {
                document.onmousemove = docMouseMoveEvent;
                document.onmouseup = docMouseUpEvent;
                moveable = false;
                moveX = 0;
                moveY = 0;
                moveTop = 0;
                moveLeft = 0;
            }
        };
    }
    var closeBtn = tr.insertCell(-1);
    closeBtn.style.cssText = "cursor:pointer;width:5%,background-color:" + titlebgcolor;
    closeBtn.innerHTML = "<span style='font-size:14px; color:" + titlecolor + ";'>×关闭</span>";
    closeBtn.onclick = function() {
        for (var j = 0; j < s.length; j++) {
            s[j].style.display = "";
        } //--------------再给select显出来
        document.body.removeChild(bgObj);
        document.body.removeChild(msgObj);


        bgObj = null;
        msgObj = null;
        CollectGarbage();

    }
    var msgBox = table.insertRow(-1).insertCell(-1);
    msgBox.style.cssText = "font:10pt '宋体';";
    msgBox.colSpan = 2;
    msgBox.innerHTML = '<iframe id="frmain" src=' + src + ' name="frmain" frameborder="0" width=' + w + ' height=' + h + ' scrolling="no" allowtransparency="true"><\/iframe>';
    document.body.appendChild(msgObj);
    document.body.appendChild(bgObj);
    // 获得事件Event对象，用于兼容IE和FireFox
    function getEvent() {
        return window.event || arguments.callee.caller.arguments[0];
    }
}


